Home / 169,000.11-253,547.85-84,658.46

Finding the Fourth Proportional to 169,000.11, 253,547.85 and 84,658.46

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Solution

The fourth proportional to 169,000.11, 253,547.85 and 84,658.46 is: 127,011.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,000.11 : 253,547.85 = 84,658.46 : x
  2. Step 2: Convert to fraction form
    169,000.11/253,547.85 = 84,658.46/x
  3. Step 3: Cross multiply
    169,000.11x = 253,547.85 × 84,658.46
  4. Step 4: Simplify right side
    169,000.11x = 21,464,969,249.57
  5. Step 5: Solve for x
    x = 21,464,969,249.57/169,000.11
  6. Step 6: Final answer
    x = 127,011.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.